Summer Puzzle Challenge

It's summer vacation! Mini Stay and Baby Stay like to stay at home and play board games.
They are playing puzzles today and they are almost done! Let’s help them place the last three pieces of the puzzle. How to place the remaining three puzzle pieces? Those who answer correctly have a chance to win a $50 e-voucher!
How to play:
(1) Like the "Stay Okay HK" Facebook page and follow the "Stay Okay HK" Instagram page
(2) Tag (@) five friends in the comment box of this post
(3) Answer the question at https://forms.gle/4TuRaREQxQD5JApx6
Answer the question correctly and the ranking order of the form* is a multiple of the first 5 (Quota: 14) and the last 5 (Quota: 14) **, and participants who complete the above steps will have a chance to get a $50 e-voucher (A total of 28 quotas for Facebook and Instagram).
*Based on the time of filling out the form, those who answered incorrectly will not be counted in the ranking order.
**Counted from the first place after the start and the last place before the deadline. e.g., 1st, 5th, 10th, penultimate 1st, penultimate 5th, penultimate 10th, etc.
Event Date: From now until July 23, 2023 (Sunday) at 11:59pm
Winners will be announced in the comments section of the event post by August 11, 2023
Terms and conditions apply, please refer to: https://www.stayokayhk.com/en/challenge_terms_and_conditions